Raymarine ST70 Instrument - Transducer Setup and Parameter Configuration; Depth Offset Calibration

4.1Transducersetup
Wind,Depth,SpeedandTemperaturedataarederivedfrom
transducersandsensorsaroundtheboat.Youshouldcheckthe
accuracyofthedisplayedreadingsandcalibrateasnecessary.This
shouldbedonewheneveryouinstallanewinstrumentortransducer
aspartofthecommissioningprocess.
Settinguptransducers
TheTransducersetupmenuisusedtocalibratethetransducersand
sensorswhicharethesourceofmuchoftheinstrumentdata.
1.PressMENU.
2.SelectAdvancedoptions>Transducersetup.
TheST70willsearchfortransducersconnectedtothesystem
anddisplaytheresultsofthesearchasalist.
3.PressENTERtoproceedandsetuptheparametersforthe
transducersfound.
Therearesettingsavailablefor:
•Depth
•Speed
•Wind
•T emperature
•DST(DepthSpeed,T emperaturesmarttransducers)
•DT(Depth,T emperaturesmarttransducers)
4.2DepthOffset
Depthsaremeasuredfromthetransducertotheseabed,butyou
canapplyanoffsetvaluetothedepthdata,sothatthedisplayed
depthreadingrepresentsthedepthtotheseabedfromeitherthe
keelorthewaterline.
Beforeattemptingtosetawaterlineorkeeloffset,ndoutthe
verticalseparationbetweenthetransducerandeitherthewaterline
orthebottomofthekeelonyourvessel,asappropriate.Thenuse
thedepthinstrumenttosettheappropriateoffsetvalue.
D9343--2
1 2 3
1
Waterlineoffset
2
Zerooffset
3
Keeloffset
Ifanoffsetisnotapplied,displayeddepthreadingsrepresentthe
distancefromthetransducertotheseabed.
20ST70InstrumentUserreference